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Professor Oak's New Theory [Reverse Holo] #101

HeartGold & SoulSilver
Release Date February 10, 2010Card Number #101
Ungraded
€5.15
 
Grade 9
–
 
PSA 10
–
 

Professor Oak's New Theory [Reverse Holo] #101 price guide

Current sold value for every grade.
Ungraded€5.15

Recent sales

Individual completed sales, newest first (Ungraded).
13 Sept 2026Professor Oak's New Theory #101 Near Mint English Reverse HoloTCGPlayer€6.22
3 Aug 2026Pokemon Professor Oak's New Theory 101/123 Heartgold Soulsilver Reverse Holo LP 101/123eBay€1.77
13 Jul 2026Professor Oak's New Theory 101/123 HeartGold & SoulSilver Reverse Holo Pokémon 101/123eBay€3.55
17 Apr 2026Professor Oak's New Theory #101 Near Mint English Reverse HoloTCGPlayer€6.16
16 Mar 20262010 Pokemon HeartGold SoulSilver Professor Oaks New Theory Reverse Holo 101/123eBay€24.03
27 Feb 2026Professor Oak's New Theory #101 Near Mint English Reverse HoloTCGPlayer€6.16
8 Feb 2026Professor Oak's New Theory - 101/123 - Reverse Holo HeartGold SoulSilver Pokemon 101/123eBay€9.33
19 Jan 2026Pokemon Professor Oak's New Theory Reverse Holo Heartgold & Soulsilver 101/123 101/123eBay€2.67
30 Sept 2025Professor Oak's New Theory #101 Near Mint English Reverse HoloTCGPlayer€5.33
22 Sept 2025Professor Oak's New Theory-HeartGold SoulSilver 101/123 Reverse-Holo Pokemon TCGeBay€3.19
1 May 2025Pokémon TCG Professor Oak's New Theory Heartgold Soulsilver 101/123 Reverse Holo 101/123eBay€1.77
31 Dec 2022Pokémon TCG Professor Oak's New Theory Heartgold Soulsilver 101/123 Reverse Holo 101/123eBay€1.77

How much is Professor Oak's New Theory [Reverse Holo] #101 (HeartGold & SoulSilver) worth?

Right now an ungraded copy of Professor Oak's New Theory [Reverse Holo] #101 from HeartGold & SoulSilver sells for about €5.15. These values are based on 12 recent completed sales, the latest on 13 Sept 2026. Prices are converted from US dollars to euros and updated every few hours.

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